Merge branch 'release/2.0.0'
Merge branch 'release/2.0.0'
Merge branch 'release/2.0.1'
Merge branch 'develop'
Merge branch 'release/2.0.2'
Fix "Create Coveralls Script" build phase

Enclose script in quotes in order to fix error when the $SRCROOT path contains spaces.
Switch Travis and Coveralls badges to the develop branch
Upgrade to Xcode 6 recommended settings
Add default "XCDYouTubeKit iOS Framework" target

Also rename "XCDYouTubeKit iOS" into "XCDYouTubeKit iOS Static Library"
Cleanup versions settings

Use settings defined at the project level instead, they are shared between the iOS and OS X frameworks targets.
Cleanup "Deployment" settings
Cleanup "Linking" settings
Cleanup "Apple LLVM 6.0 - Code Generation" settings
Cleanup "Apple LLVM 6.0 - Preprocessing" settings
Cleanup warnings settings
Cleanup "Apple LLVM 6.0 - Language - C++" settings
Fill "Compile Sources", "Link Binary With Libraries" and "Headers" build phases
Disable auto import warning to fix iOS framework compilation
Use the iOS framework instead of the static library in the demo app
Update `XCDYouTubeKit iOS Static Library` scheme name for Travis